Tara mentioned not knowing the name that RTD had given to Timothy Dalton's character after the finale trailer was shown. I believe RTD simply called him "The Narrator". Now, whether that's simply because he narrated the trailer, or something more meaningful, seeing as we'll have The Doctor and The Master...

The average life expectancy of a cricket is 8 to 10 weeks, so Adric's stay of execution will be short. Now however, I can't help but picture Matthew Waterhouse being chased by a giant horned frog "dinosaur" in classic Who style blue screen menace.